fieldset{
    width: 80%;
    margin-right: 10%;
    margin-left: 10%;
}
table{
    width: 100%;
    text-align: center;    
    font-size: 12px;    
    border-collapse: collapse;     
}
.td1{
    width: 50%;
}
.td2{
    width: 25%;
}
.td3{
    width: 25%;
}
.cor1{
    background-color: #DCDCDC;
}
.cor2{
    background-color: #FFFAFA;
}
#cortopotabela{
    color: #ffffff;
    background: #646464 url(imagens/gradientepreto.png) repeat-x left bottom;
    box-shadow: inset 0 0 10px #222222, inset 0 10px 10px #222222;
    -moz-box-shadow: inset 0 0 10px #222222, inset 0 10px 10px #222222;
    -webkit-box-shadow: inset 0 0 10px #222222, inset 0 10px 10px #222222;
    filter: none;
}